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1/8 Inch Glass Clips

by schlem, published

1/8 Inch Glass Clips by schlem Feb 21, 2013

Description

I needed a better way to hold my glass down and adjust for relative print bed flatness. These clips extend half a millimeter less than 1/8 inch below the top of the glass (to allow for some clamping pressure to be developed, and to mix Imperial and Metric units). I am using some 1/8 inch architectural glass cut to 8 by 8.5. As to vertical compliance, I rejected the volume-robbing strategy of using springs, but opted for 1/8 inch neoprene washers. Seems to work, but I am concerned that heat will affect either short-term or long-term elasticity of the washers, and ultimately, the hard-won level printing surface that I have created..

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If you keep the bed level and the washers do harden, then that should be good, it will stay level.

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Instructions

In my typical fashion for small bits, I find that printing more than I need is an easier solution than optimizing the printrbot for cooler/slower prints to avoid the dreaded blob. This gives me the ability to cherry-pick the best examples, gives me some spares, or allows me to gift some to some one else, and doesn't use all that much ABS.
If you keep the bed level and the washers do harden, then that should be good, it will stay level.
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